That's been the conventional wisdom for decades, but I don't actually think it's true. I wonder if anyone has done any tests. The reply address for spam is alm

That's been the conventional wisdom for decades, but I don't actually think it's true. I wonder if anyone has done any tests. The reply address for spam is almost certainly bogus. And I don't think it makes sense to target people who unsubscribe for more spam. They ain't likely to buy anything.